Finding the Fourth Proportional to 183,515.20, 253,261.02 and 102,968.26
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Solution
The fourth proportional to 183,515.20, 253,261.02 and 102,968.26 is: 142,101.83
Step by Step Solution
- Step 1: Write the proportion equation
183,515.20 : 253,261.02 = 102,968.26 : x - Step 2: Convert to fraction form
183,515.20/253,261.02 = 102,968.26/x - Step 3: Cross multiply
183,515.20x = 253,261.02 × 102,968.26 - Step 4: Simplify right side
183,515.20x = 26,077,846,555.23 - Step 5: Solve for x
x = 26,077,846,555.23/183,515.20 - Step 6: Final answer
x = 142,101.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.